Originally Posted by koland
If you do a search for RC Sproul, there are 14 free titles on Kindle today (Reformation Trust).
DRM-Free epub versions of the books are available at the online store of Sproul's Ligonier Ministries website. Here is the list of epubs
currently available (free and paid). After adding all of the free ones to my cart and checking out, I needed to create an account on the site but didn't need to enter any payment information.